<?php
namespace app\admin\validate;
use think\Validate;

class AdminUser extends Validate
{
    protected $rule=[
        'username'=>'require',
        'password'=>'require',
        'captcha'=>'require|checkCaptcha:mmm'
    ];

    protected $message=[
        'username'=>'用户名必须',
        'password'=>'密码必须',
        'captcha'=>'验证码必须',
    ];
    protected function checkCaptcha($value,$rule,$data=[]){
        if(!captcha_check($value)){
            return "验证码不正确!";
        }
        return true;

    }
}
